Polaria polaris (Volodchenko, 1946), comb. n. ZMMU Op-519. Laptev Sea, living specimen 12 mm in length: A dorsal view B latero-ventral view C ventral view D details of cerata E jaw, SEM F details of masticatory process of jaw, SEM G radular teeth, posterior part, SEM H reproductive system, light microscopy I reproductive system, SEM. Abbreviations: a anus am ampulla rsd distal receptaculum seminis fgm female gland mass; g gonad; nc continuous notal edge p penis ps penial sheath pvd prostatic vas deferens Scale bars: E, I = 300 μm; F = 30 μm; G = 100 μm. Photos of living specimens by O.L. Zimina, other photos and SEM images by A.V. Martynov.